Riny Schreijenberg (born November 23, 1954, Twello, The Netherlands) is a Dutch musician and producer. He became well known as a trumpeter under the name Marty. He started his own production company MM Music B.V. and recording studio MM Studio's in 1975 and in 1993 he started the TipTop Records label. He sold his companies in 1994 to Koch International from München.